Post-type DC Pollution-resistant Disc Suspension Porcelain Insulator (Triple Umbrella Type)
Negotiable
China
No.93 Longquan Road, Zibo City, Shandong Province
0086-533-5891888
Online Contact
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Product Parameters

Product model

Unit

U840BP/300T

U700BP/280T

U550BP/240T

U420BP/205T

Structure height (H)

mm

300

280

240

205

Nominal disc diameter (D)

mm

420

420

400

400

Nominal creepage distance

mm

650

650

635

650

Rated electromechanical damage load

kN

840

700

550

420

Routine tensile load

kN

420

350

275

210

Connection mark

40

36

32

28

DC corona extinguishing voltage

kV

≥ 50

≥ 50

≥ 50

≥ 50

Positive polarity 1min dry withstand voltage

kV

≥ 150

≥ 150

≥ 150

≥ 150

SF6 breakdown withstand voltage

kV

255

240

≥ 225

≥ 225

Impulse breakdown voltage

p.u.

≥ 2.8

≥ 2.8

≥ 2.8

≥ 2.8

Radio interference voltage

Test voltage to ground

kV

10

10

10

10

1MHz Radio Interference Voltage

μV

≤ 50

≤ 50

≤ 50

≤ 50

Weight

kg

41.5

36.0

23.5

20.0

Executive standard: GB ANSI IEC BS